default for \<euro> is now based on eurosym package, instead of slightly exotic babel/greek (which causes problems with the Gentoo installation on lxbroy2);
\index{model checking example|(}%
\index{lfp@{\texttt{lfp}}!applications of|see{CTL}}
\input{CTL/document/Base.tex}
\input{CTL/document/PDL.tex}
\input{CTL/document/CTL.tex}
\index{model checking example|)}